🔧 Frontend System Design: What is the Critical Rendering Path (CRP)

What is the Critical Rendering Path (CRP) ?



What is the Critical Rendering Path CRP
The Rendering Flow (High Level)
The Critical Part of the Path

How the Browser Blocks Rendering


Example





Optimization Goals



Critical Rendering Path Optimization Techniques


Minimize Critical Resources
Optimize CSS Delivery
Defer or Async...